4-28 HP SCR system - change from Tier III to bypass ........................................ 124
4-29 HP SCR system - purging and venting ........................................................ 125
4-30 HP SCR system - emergency bypass ......................................................... 126
4-31 HP SCR system - preparation ..................................................................... 127
4-32 HP SCR system - Tier III ............................................................................. 128
4-33 HP SCR system - principal control configuration ........................................ 129
4-34 Control box E48 ........................................................................................... 130
4-35 Control box E49 ........................................................................................... 131
4-36 Control box E50 ........................................................................................... 132
4-37 LDU-20 page - HP SCR SYSTEM STATUS (MAIN PAGE) ......................... 133
4-38 LDU-20 page - HP SCR SYSTEM OVERVIEW .......................................... 134
4-39 LDU-20 page - HP SCR INTERFACES ....................................................... 135
4-40 LDU-20 page - HP SCR MANUAL VALVE CONTROL ................................ 136
4-41 LDU-20 page - HP SCR SOFTWARE INFO ............................................... 137
4-42 LDU-20 page - HP SCR PAGE INDEX ....................................................... 138
4-43 Example of SPC .......................................................................................... 140
4-44 LDU-20 page - STEAM PRODUCTION CONTROL .................................... 141
4-45 LDU for the steam boost mode ................................................................... 143
5 Design and function of components
5-1 Bedplate (generic) ....................................................................................... 148
5-2 Main bearing (generic) ................................................................................ 150
5-3 Thrust bearing (generic) .............................................................................. 153
5-4 Monoblock column (generic) ....................................................................... 154
5-5 Tie rod (generic) .......................................................................................... 156
5-6 Cylinder liner (generic) ................................................................................ 158
5-7 Cylinder - cooling water outlet (generic) ...................................................... 159
5-8 Lubricating quill (generic) ............................................................................ 160
5-9 Gas admission valve (generic) .................................................................... 162
5-10 Piston rod gland (generic) ........................................................................... 164
5-11 Injection valve (example) ............................................................................. 166
5-12 Starting valve (example) .............................................................................. 168
5-13 Relief valve (generic) ................................................................................... 170
5-14 Exhaust valve (generic) ............................................................................... 172
5-15 Pilot injection valve (generic) ....................................................................... 174
5-16 Crankshaft (generic) .................................................................................... 176
5-17 Steel spring damper (generic) ..................................................................... 179
5-18 Viscous damper (generic) ........................................................................... 180
5-19 Axial vibration damper (generic) .................................................................. 182
5-20 Axial vibration damper monitor (generic) ..................................................... 183
5-21 Turning gear (generic) ................................................................................. 184
5-22 Connecting rod and connecting rod bearing (generic) ................................ 186
5-23 Crosshead and guide shoe (example) ........................................................ 188
5-24 Piston (example) ......................................................................................... 190
5-25 Supply unit drive (generic) ........................................................................... 193
5-26 Starting air shut-off valve (example) ............................................................ 194
5-27 Control air supply (generic) ......................................................................... 196
5-28 Local maneuvering stand (generic) ............................................................. 198
X92DF
Operation Manual
Winterthur Gas & Diesel Ltd.
- 14 - Issue 002 2020-08